Folder.GetItemsList Method

public static List<string> GetItemsList(string sourceFolder)
 {
     List<string> ls = new List<string>();
     try
     {
         string[] folders = Directory.GetDirectories(sourceFolder);
         foreach (string folder in folders)
             ls.Add("Folder: " + folder);
         string[] files = Directory.GetFiles(sourceFolder);
         foreach (string filename in files)
             ls.Add("File: " + filename);
     }
     catch (Exception e) { ls.Add(e.Message.Trim('\n')); }
     return ls;
 }